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1213242314 = 21913176027
BaseRepresentation
bin100100001010000…
…1001101111001010
310010112221002120112
41020110021233022
54441042223224
6320215554322
742031250414
oct11024115712
93115832515
101213242314
115729309a9
1229a38b9a2
1316447ca7b
14b71b99b4
15717a430e
hex48509bca

1213242314 has 8 divisors (see below), whose sum is σ = 1829392128. Its totient is φ = 603444940.

The previous prime is 1213242287. The next prime is 1213242323. The reversal of 1213242314 is 4132423121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1213242314.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587632 + ... + 1588395.

It is an arithmetic number, because the mean of its divisors is an integer number (228674016).

Almost surely, 21213242314 is an apocalyptic number.

1213242314 is a deficient number, since it is larger than the sum of its proper divisors (616149814).

1213242314 is a wasteful number, since it uses less digits than its factorization.

1213242314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3176220.

The product of its digits is 1152, while the sum is 23.

The square root of 1213242314 is about 34831.6280699022. The cubic root of 1213242314 is about 1066.5531832176.

Adding to 1213242314 its reverse (4132423121), we get a palindrome (5345665435).

The spelling of 1213242314 in words is "one billion, two hundred thirteen million, two hundred forty-two thousand, three hundred fourteen".

Divisors: 1 2 191 382 3176027 6352054 606621157 1213242314